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Roller device of luggage case

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A45C-005/14    B60B-033/06   
미국특허분류(USC) 190/018.A; 280/037; 280/047.315; 016/034
출원번호 US-0986163 (2001-11-07)
발명자 / 주소
대리인 / 주소
    Birch, Stewart, Kolasch & Birch, LLP
인용정보 피인용 횟수 : 15  인용 특허 : 7
초록

A roller device of luggage case includes the luggage case having at least two retractile mechanisms with at least two rollers at each bottom side. The retractile mechanism is connected with retractable handle pivotally so that the rollers stick outside the bottom of the luggage case when the retractable handle is pulled up and completely hides within the luggage case while the retractable handle is folded up. Thus not only the luggage case has a better outlook but also the trouble of hooking with other luggage can be avoided.

대표
청구항
▼

1. A roller device of luggage case comprising rollers disposed on a bottom of a luggage case, said luggage case having a retractable handle and at least two of said rollers on the bottom thereof; wherein the improvement is characterized by: each of said rollers is arranged inside a retractile mechanism comprising a housing, a lateral covering plate disposed at lateral side of said housing, forming part of the lateral side of said luggage case, a bottom covering plate coaxial to said roller, forming part of the bottom side of said luggage case, ...

이 특허에 인용된 특허 (7)

  1. Cassimally K. A. I. (402 Hayes Rd. Fort Pierce FL 33450) Frommelt Horace (Fort Pierce FL). Combined portable case and luggage trolley. USP1981064273222.
  2. Bai Yang-Fong (1F ; 125-6 ; Sec. 1 ; San Min Rd. Taichung TWX). Concealable caster of baggage. USP1996075533231.
  3. Knowles Harford E. (2718 Jackson St. Hollywood FL 33020). Luggage case. USP1981034254850.
  4. Chang Yuan-Chi,TWX. Luggage case structure with retrievable handle and wheels. USP1998095813503.
  5. Garrett Alan (Calgary CAX). Retractable caster. USP1989074845804.
  6. Wang Tung Lung,TWX. Retractable wheel device for suitcase. USP2001096289554.
  7. Fu-Jung Chang TW. Retractable wheel for a built-in luggage cart. USP2002046367602.

이 특허를 인용한 특허 피인용횟수: 15

  1. Turner, Michael Hughesdon; Murphy, Ryan Patrick. Automatic scooter unlocking mechanism. USP2014038672336.
  2. Arthur, Joseph I. Chassis with retractable wheels. USP2011087997591.
  3. Turner, Michael Hughesdon; Murphy, Ryan Patrick. Combination scooter and messenger bag. USP2014098833777.
  4. Turner, Michael Hughesdon; Murphy, Ryan Patrick; Stutzman, Duston E A; Goo, Kah-Thart. Combination scooter/backpack. USP2013068454031.
  5. Turner, Michael Hughesdon; Murphy, Ryan Patrick; Stutzman, Duston E A; Goo, Kah-Thart. Combination scooter/backpack. USP2010067731204.
  6. Yang, Sheng Cho. Enhanced structure for base with roller and belt of hardshell zipper case. USP2012068201672.
  7. Chen, Kung-Cheng; Huang, Lung-Chuan. Mobile cart. USP2015079079595.
  8. Sip, Kim-Yeung; Li, Xiong. Portable electronic device with wheels. USP2012058186778.
  9. Arthur, Joseph I.; Bacs, Jr., Aron. Retractable wheel assembly. USP2014068757643.
  10. Arthur, Joseph I.; Bacs, Jr., Aron. Retractable wheel assembly. USP2014068757642.
  11. O'Shea,Timothy J. C.; Ellard,Terence R; Higgins,Wayne C. Retractable wheel assembly. USP2009037503439.
  12. O'Shea,Timothy J. C.. Retractable wheel assembly for a carrier. USP2006067066311.
  13. Graf Von Bismarck, Gregor. Suitcase with extensible steering wheels. USP2013068469374.
  14. Wu,Yi Ming. Transporting wheel structure of storage or luggage container. USP2007077237660.
  15. Arthur, Joseph I.; Bacs, Jr., Aron. Wheel deployment apparatus. USP2016059351550.

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